package ch6;

/**
 * Created by lyk on 2016/10/5.
 * Package name: ch6
 * Porject name: untitled1
 */
import java.util.*;

/**
 * This program demonstrates the use of the Comparable interface.
 * @version 1.30 2004-02-27
 * @author Cay Horstmann
 */
public class EmployeeSortTest
{
    public static void main(String[] args)
    {
        Employee[] staff = new Employee[3];

        staff[0] = new Employee("Harry Hacker", 35000);
        staff[1] = new Employee("Carl Cracker", 75000);
        staff[2] = new Employee("Tony Tester", 38000);

        Arrays.sort(staff);

        // print out information about all Employee objects
        for (Employee e : staff)
            System.out.println("name=" + e.getName() + ",salary=" + e.getSalary());
    }
}

class Employee implements Comparable<Employee>
{
    public Employee(String n, double s)
    {
        name = n;
        salary = s;
    }

    public String getName()
    {
        return name;
    }

    public double getSalary()
    {
        return salary;
    }

    public void raiseSalary(double byPercent)
    {
        double raise = salary * byPercent / 100;
        salary += raise;
    }

    /**
     * Compares employees by salary
     * @param other another Employee object
     * @return a negative value if this employee has a lower salary than
     * otherObject, 0 if the salaries are the same, a positive value otherwise
     */
    public int compareTo(Employee other)
    {
        if (salary < other.salary) return -1;
        if (salary > other.salary) return 1;
        return 0;
    }

    private String name;
    private double salary;
}
